chore: add scripts and set tools

script/ncstop.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+if [ -a "./PID" ]; then
+  ls /proc/$(cat PID)/cmdline
+  if [ $? -eq 0 ]; then
+    kill -9 $(cat PID)
+    echo "shutdown old node center"
+  fi
+  rm ./PID
+fi